Shimano GRX RD-RX820 Rear Derailleur - 12-Speed Direct Mount One Spec Shadow Plus Design 36t Max Low color-green 2 Cable Head Shimano/SRAM keyword

2 Cable Head Shimano/SRAM keyword search Replaces CA2750 Cable Type Coated

4 Rim Width (Internal) 28 Tire Type Tubeless Ready Valve Presta Valve Length Short 32-40mm Weight 481 Wheel Size 29"

}Wolf Tooth Direct Mount Chainring - 34t SRAM Direct Mount Drop-Stop B For BB30 Short Spindle Cranksets 0mm Offset Black

Improved aerodynamics for time trial and triathlon

Shimano GRX RD-RX820 Rear Derailleur - 12-Speed Direct Mount One Spec Shadow Plus Design 36t Max Low color-green 2 Cable Head Shimano/SRAM keywordThe Shimano RD RX820 rear derailleur is compatible with 11 34t and 11 36t 12 speed cassettes providing a wide gear range so you can spin a comfortable cadence no matter the terrain type. This rear derailleur also features an integrated chain stabilizer that delivers quieter shifting and more secure chain management during rough rides. The chain tensioner has an ON OFF switch for outings on smooth surfaces. Silent and secure rear shifting on rough